柯林斯词典panic button 1. N a button or switch that operates any of various safety devices, for use in an emergency (操纵安全设备的)应急按钮; 在紧急情况时使用 返回 panic button剑桥词典a device , usually a button , that is used to call for help by someone in a dangerous situation 报警按钮，紧急呼救按钮 习语hit/press/push the panic button 返回 panic button